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745701361 = 5314069837
BaseRepresentation
bin101100011100100…
…111111111110001
31220222011112221221
4230130213333301
53011344420421
6201554545041
724323233306
oct5434477761
91828145857
10745701361
11352a24519
12189898181
13bb651012
14710730ad
15456ed841
hex2c727ff1

745701361 has 4 divisors (see below), whose sum is σ = 759771252. Its totient is φ = 731631472.

The previous prime is 745701353. The next prime is 745701391. The reversal of 745701361 is 163107547.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 163107547 = 672434441.

It can be written as a sum of positive squares in 2 ways, for example, as 287099136 + 458602225 = 16944^2 + 21415^2 .

It is a cyclic number.

It is not a de Polignac number, because 745701361 - 23 = 745701353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745701391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7034866 + ... + 7034971.

It is an arithmetic number, because the mean of its divisors is an integer number (189942813).

Almost surely, 2745701361 is an apocalyptic number.

It is an amenable number.

745701361 is a deficient number, since it is larger than the sum of its proper divisors (14069891).

745701361 is a wasteful number, since it uses less digits than its factorization.

745701361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14069890.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 745701361 is about 27307.5330449310. The cubic root of 745701361 is about 906.8211594404.

The spelling of 745701361 in words is "seven hundred forty-five million, seven hundred one thousand, three hundred sixty-one".

Divisors: 1 53 14069837 745701361